Table 1 shows one common electrical system related problems of the 1997 GMC Sierra 1500.
| Problem Category | Number of Problems |
|---|---|
| Wiring problems |
Truck will not start. Not hearing the electic fuel pump in gas tank. Truck towed for repairs. During fuel pump replacement. Noticed the connector inside the gas tank arced and burned with 2 inches of insulation burned off the wires supplying power to the fuel pump. 1997 GMC truck. I guess this connector that mates through the tank has had a history of arcing burning here. Also the connector defect isnt easily noticable to the technician. Causing intermittent fuel pump failure as in my case. Has there been any history of fire/exposion with these connectors on gm vehicles. This I feel is a serious defect. This truck has been probably driven for some time with this defect and it is a known issue to many technicians. . Read more...